Answer:
20%
Step-by-step explanation:
i divided the percentages each by 45 and so% was 4.4. 20% was the closest to 45.
Using the binomial distribution, the probabilities are given as follows:
a) 0.4159 = 41.59%.
b) 0.5610 = 56.10%.
c) 0.8549 = 85.49%.
<h3>What is the binomial distribution formula?</h3>
The formula is:


The parameters are:
- x is the number of successes.
- n is the number of trials.
- p is the probability of a success on a single trial.
For this problem, the values of the parameters are:
n = 3, p = 0.76.
Item a:
The probability is P(X = 2), hence:


Item b:
The probability is P(X < 3), hence:
P(X < 3) = 1 - P(X = 3)
In which:


Then:
P(X < 3) = 1 - P(X = 3) = 1 - 0.4390 = 0.5610 = 56.10%.
Item c:
The probability is:

More can be learned about the binomial distribution at brainly.com/question/24863377
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Answer:
2.
a. 2 books
n/3 books
b. 9 books
3.
a. 8 tomatoes
2/5x
Step-by-step explanation:
6/3 = 2
n/3
27/3 =9
2/5 *20 = 40/5 =8
2/5*x 2/5x
plz mark branliest if this helps
Answer:
60 miles
Step-by-step explanation:
For a unit rate the onemust go in the denominator.
x/1
Make a proportion
x/1 = 180/3
divide 180 by 3
you get 60
Answer:
8.89cm
Step-by-step explanation:
The ratio is 16:9 (which is one of the most common in TVs)
9:5=16:x
x=(16*5)/9
x=8.88....=8.89